求问GRE猴哥数学难题11217.The “combined age” of a group of people is the sum of the ages of all the people in the group.Which of the following groups had the greatest combined age in 1986? A.20-year-old males B.20-year-old females
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求问GRE猴哥数学难题11217.The “combined age” of a group of people is the sum of the ages of all the people in the group.Which of the following groups had the greatest combined age in 1986? A.20-year-old males B.20-year-old females
求问GRE猴哥数学难题112
17.The “combined age” of a group of people is the sum of the ages of all the
people in the group.Which of the following groups had the greatest combined age
in 1986?
A.20-year-old males B.20-year-old females
C.60- year-old males D.60-year-old females
E.80-year-old females
求问GRE猴哥数学难题11217.The “combined age” of a group of people is the sum of the ages of all the people in the group.Which of the following groups had the greatest combined age in 1986? A.20-year-old males B.20-year-old females
擦,这题有啥难的,就读个图,做个乘法呗.小学生的题.
不过,也看出来,老美的题真TMD实用,这TM才叫应用题呢.